Glucocorticoids for Post-operative Patients With Acute Type A Aortic Dissection (The GLAD Trial)

Inclusion Criteria: * Informed consent * Age above 18 years old (including 18 years old), regardless of gender; * Confirmed type A aortic dissection with computer tomography and received surgical intervention * Life expectancy \> 3 days after surgery Exclusion Criteria: * History of cardiac surgery within the past 3 months or possible iatrogenic aortic dissection * Bacterial or fungal infection in the past 30 days * Glucocorticoid or any other anti-inflammatory drug usage in the past 14 days * Allergic to glucocorticoid * Pregnant * Implantation of ICD or permanent pacemaker * Patients diagnosed with malignant tumor undergoing chemotherapy and immunotherapy. * Patients with pre-operative severe liver dysfunction (CTP grade C) * Patients with pre-operative renal insufficiency (patients receiving renal replacement therapy before surgery)